CVE-2026-4064

HIGH

8.3

Description

Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.

CVE Details

CVSS v3.1 Score8.3

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/17/2026

Last Modified3/19/2026

Sourcenvd

Honeypot Sightings0

Affected Products

ironmansoftware:powershell_universal

Weaknesses (CWE)

CWE-862

References

https://devolutions.net/security/advisories/DEVO-2026-0008(security@devolutions.net)

IOC Correlations

No correlations recorded

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